Pocket bike carb

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Motor Boys

New Member
Nov 6, 2009
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It doesn't, does it. I got in a shipment of these to try out, but I have not had much expereince with carbs, so I thought I would ask.
Thanks
 

Humsuckler

New Member
Jul 28, 2009
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if yours is running better, then you berrer check your jetting. mine runs like a bag of **** and is lean lean lean.....
 

Bikeguy Joe

Godfather of Motorized Bicycles
Jan 8, 2008
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Does it have any adjustment screws? Air bleed, or mixture type?

I does look different than the stock carb, but I can really tell what's going on there from the photos.
 

Humsuckler

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Jul 28, 2009
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its a flatslide carb, with a single main jet that the pilot and idle circuits run off.

so, i dont imagine you can really drill it out, becaue you would have to in turn drill the pilo and idle holes as well. 3 holes, one jet.

i took it off. CNS is the way to go
 

Motor Boys

New Member
Nov 6, 2009
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the intake I did in about 2 min. , I have since built a better one. All is working well, just doesn't have anything to adjust airflow or anything else. Just a waste relly. It does look better but thats it.
 

Rockenstein

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Feb 8, 2009
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the intake I did in about 2 min. , I have since built a better one. All is working well, just doesn't have anything to adjust airflow or anything else. Just a waste relly. It does look better but thats it.
That's the bugger with the SHA's, real deals or the clones...ya get one jet, an idle screw and that's about it. I got a couple here collecting dust.

A PHVA or PHVB clone would be the way to go...
 
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Humsuckler

New Member
Jul 28, 2009
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and speaking of working well, my engine is coming back to life from its 30 clicks running on pure air and gasoline fumes..... phew.
the pk80 really is a good little engine lol
 

happycheapskate

New Member
Nov 26, 2009
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How far is a "click"?

I wonder if the pocketbike mufflers can fit Grubee/HT 2str. I put a briggs copy box muffler on my ht in lieu of a expansion muffler (hauls ass but loud), although its cocked at an angle.

I have thought of trying to find a 2hp briggs edger carb. They have a float, idle screw, and maybe mixture screw, and good venturi design. They have a butterfly valve that you can operate by a linkage or cable pull. There are tons of good filters and boxes for them if you have room.

and speaking of working well, my engine is coming back to life from its 30 clicks running on pure air and gasoline fumes..... phew.
the pk80 really is a good little engine lol